3,4-Dimethyl-6-(trifluoromethoxy)pyridine-2-carbonyl chloride
2-(Difluoromethyl)-6-methoxy-3-nitropyridine-4-carbonyl chloride
3,4-Dimethyl-2-(trifluoromethoxy)pyridine-6-carbonyl chloride
6-(Difluoromethyl)-4-methoxy-3-nitropyridine-2-carbonyl chloride